31314240222331 has 16 divisors (see below), whose sum is σ = 34425943695360. Its totient is φ = 28247294994880.

The previous prime is 31314240222329. The next prime is 31314240222347. The reversal of 31314240222331 is 13322204241313.

It is a cyclic number.

It is not a de Polignac number, because 31314240222331 - 2¹ = 31314240222329 is a prime.

It is a super-2 number, since 2×31314240222331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31314240222293 and 31314240222302.

It is not an unprimeable number, because it can be changed into a prime (31314240222311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13934011 + ... + 16024516.

It is an arithmetic number, because the mean of its divisors is an integer number (2151621480960).

Almost surely, 2^{31314240222331} is an apocalyptic number.

31314240222331 is a deficient number, since it is larger than the sum of its proper divisors (3111703473029).

31314240222331 is a wasteful number, since it uses less digits than its factorization.

31314240222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29959274.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31314240222331 its reverse (13322204241313), we get a palindrome (44636444463644).

The spelling of 31314240222331 in words is "thirty-one trillion, three hundred fourteen billion, two hundred forty million, two hundred twenty-two thousand, three hundred thirty-one".